How you see is what you get

Not everyone is naturally optimistic. Some people are born seeing the glass half empty rather than half full. But no matter what your natural bent is, you can become a more optimistic person. 
How do cultivate optimism? Please learn to become positive people with great attitude. Then no matter what happens to you, you can weather the storm and build on the good you find in any situation.
Contentment is not a popular concept. Our culture actually discourages the idea. People are continually bombarded with this message, what you have is not enough. You need more - a bigger house, a better car, etc. but the truth is possessing healthy contentment, which is essential to able to withstand failure.